Gravesande, Willem Jacob 's, Physices elementa mathematica, experimentis confirmata sive introductio ad philosophiam Newtonianam; Tom. 1

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            exerit, melius ſuperari poſſit, major a deſiderantur foramina,
              <lb/>
            quod & </s>
            <s xml:id="echoid-s8686" xml:space="preserve">in eodem caſu ex alia cauſa requiri antea diximus :</s>
            <s xml:id="echoid-s8687" xml:space="preserve">
              <note symbol="*" position="left" xlink:label="note-0324-01" xlink:href="note-0324-01a" xml:space="preserve">205.</note>
            in quo loco ut & </s>
            <s xml:id="echoid-s8688" xml:space="preserve">hìc majora foramina in majoribus tantum
              <lb/>
            altitudinibus neceſſaria ponimus, licet demonſtrationes pro-
              <lb/>
            bent hæc foramina, in majoribus altitudinibus maxime ne-
              <lb/>
            ceſſaria, in genere eſſe anteponenda.</s>
            <s xml:id="echoid-s8689" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s8690" xml:space="preserve">Magna foramina etiam motui obſtant; </s>
            <s xml:id="echoid-s8691" xml:space="preserve">nam 1. </s>
            <s xml:id="echoid-s8692" xml:space="preserve">Major da-
              <lb/>
              <note position="left" xlink:label="note-0324-02" xlink:href="note-0324-02a" xml:space="preserve">812.</note>
            tur ſuperficies, cui incumbit fluidum altiſſimum, quod to-
              <lb/>
            tum motum amiſit, ibique diutius hæret antequam ad late-
              <lb/>
            ra defluat. </s>
            <s xml:id="echoid-s8693" xml:space="preserve">2. </s>
            <s xml:id="echoid-s8694" xml:space="preserve">Fluidum non tantum illud ex foramine exit,
              <lb/>
            quod huic reſpondet, ſed, ut fluxus continuus detur, flui-
              <lb/>
            dum vicinum continuo adfluit, quod oblique movetur, & </s>
            <s xml:id="echoid-s8695" xml:space="preserve">
              <lb/>
            dum proſilit motu compoſito agitatur, quo motus fluidi
              <lb/>
            proſilientis turbatur; </s>
            <s xml:id="echoid-s8696" xml:space="preserve">& </s>
            <s xml:id="echoid-s8697" xml:space="preserve">in majoribus foraminibus major eſt
              <lb/>
            perturbatio ex hac cauſa oriunda.</s>
            <s xml:id="echoid-s8698" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s8699" xml:space="preserve">In minoribus foraminibus prævalent retardationes, quæ,
              <lb/>
            aucto foramine, corriguntur; </s>
            <s xml:id="echoid-s8700" xml:space="preserve">ita tamen poteſt augeri fora-
              <lb/>
            men, ut hæ prævaleant tardationes, quæ aucto foramine
              <lb/>
            creſcunt. </s>
            <s xml:id="echoid-s8701" xml:space="preserve">Quare datur in omnibus altitudinibus certa fora-
              <lb/>
              <note position="left" xlink:label="note-0324-03" xlink:href="note-0324-03a" xml:space="preserve">813.</note>
            minis menſura, per quod fluidum ad maximam quam poteſt
              <lb/>
            adſcendit altitudinem. </s>
            <s xml:id="echoid-s8702" xml:space="preserve">Regulæ tamen de determinando fora-
              <lb/>
            mine dari nequeunt, quia latitudo tuborum, per quos aqua
              <lb/>
            deducitur, horumque inflexiones illud mutant, ita ut va-
              <lb/>
            riatio in infinitum detur.</s>
            <s xml:id="echoid-s8703" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s8704" xml:space="preserve">Notandum autem altitudinem, ad quam fluidum adſcen-
              <lb/>
              <note position="left" xlink:label="note-0324-04" xlink:href="note-0324-04a" xml:space="preserve">814.</note>
            dere poteſt, ut & </s>
            <s xml:id="echoid-s8705" xml:space="preserve">for aminis magnitudinem, limites habere,
              <lb/>
            quos excedere vetitum.</s>
            <s xml:id="echoid-s8706" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s8707" xml:space="preserve">Nam aucta nimium fluidi celeritate, tanta vi in aërem
              <lb/>
            impingit, ut in guttas diſpergatur; </s>
            <s xml:id="echoid-s8708" xml:space="preserve">in quo caſu minuendo
              <lb/>
            celeritatem altitudo ad quam adſcendit fluidum augetur,
              <lb/>
            & </s>
            <s xml:id="echoid-s8709" xml:space="preserve">altitudo omnium maxima ad quam fluidum adſcendere
              <lb/>
            poteſt in diverſis fluidis differt; </s>
            <s xml:id="echoid-s8710" xml:space="preserve">hæcque in aqua proſilien-
              <lb/>
            ti, vix centum pedes ſuperat. </s>
            <s xml:id="echoid-s8711" xml:space="preserve">Diameter foraminis, quod
              <lb/>
            huic maximæ altitudini reſpondet, vix excedit pollicem cum
              <lb/>
            quarta parte.</s>
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